Trondheim weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: June – August
What is the weather like in Trondheim in July?
In July, Trondheim is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 13.0 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 89 mm. All in all, July is a good month for a holiday in Trondheim.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 19 h 28 min03:40 – 23:08
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 1 day30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Oslo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 30 %19 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Trondheim in July: quick answers
Is Trondheim hot in July?
No. In July, Trondheim is mild: daytime highs average 19 °C and nights drop to about 11 °C.
Can you swim in Trondheim in July?
Only if you don't mind cold water: in July the sea averages just 13.0 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Trondheim in July?
It rains often – on about 15 days, adding up to 89 mm.
Trondheim month by month
The whole year in TrondheimAll destinations: NorwayWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences